X-linked recessive inheritance pattern MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET
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9 Questions around this concept.
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EASYWhich of the following most appropriately describes haemophilia?
A normal- visioned man whose father was colour- blind, marries a woman whose father was also colour- blind. They have their first child as a daughter. what are the chance that this child would be colour- blind?
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Determining the inheritance pattern of X-linked recessive disorder:
- It affects males more than females because males carry a single X-chromosome; any recessive mutation on X-chromosome will be expressed.
- Females can be affected if they receive two copies of X-chromosomes with the disease-causing recessive allele from both the parents.
- Approximately one-half of carrier mother’s sons will be affected.
- X-linked recessive disorders show a criss-cross pattern of inheritance.
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